AN 995: Three-phase Boost Bidirectional AC-DC and LLC DC-DC Converter for EV Charging Design Example
ID
784593
Date
9/15/2023
Public
1. About the Three-phase Boost Bidirectional AC-DC and LLC DC-DC Converter for Electric Vehicle (EV) Charging Design Example
2. Getting started with the Design Example
3. Functional Description
4. Top-level VHDL Wrapper
5. Simulink Simulation Results
6. Document Revision History for AN 995: Three-phase Boost Bidirectional AC-DC and LLC DC-DC Converter for EV Charging Design Example
3.3. HDL Inputs, Outputs, and Parameters
The tables list the inputs, outputs, and PI controller block parameters on the HDL coder block for the Three-phase Boost Bidirectional AC-DC and LLC DC-DC Converter for EV Charging design example
Input Signal Name | Type | Description |
---|---|---|
clk | Clock | Input clock for the HDL coder block. Generated by PLL 20 MHz. |
reset | Reset | Active low |
clk_enable | Enable | Active high |
Output Signal Name | Data Type | Description |
---|---|---|
V_R_L_diff V_Y_L_diff V_B_L_diff |
Fix32_En16 | The voltage across inductors for debugging when compared to the input voltage. |
V_R, V_Y, V_B | Fix32_En16 | Three-phase input voltage from the voltage generator block. |
I_R, I_Y, I_B | Fix32_En16 | Measured current in each inductor model block. |
I_LOW, I_HIGH | Fix32_En16 | Sum of the low and high-side switch currents, respectively |
VDC_P, VDC_N | Fix32_En16 | Voltage relative to ground of AC-DC rectifier DC output +/- ports. |
VDC | Fix32_En16 | Output voltage of the AC-DC rectifier. |
I_C | Fix32_En16 | Current measured in the AC-DC rectifier's output capacitor. |
I_LOAD | Fix32_En16 | Current measured in the AC-DC rectifier’s output. |
PWM_R, PWM_Y, PWM_B | Fix32_En16 | AC-DC rectifier controller-generated PWM signals for power transistor switching. |
V_LLC_DC | Fix32_En16 | Output voltage of the LLC DC-DC converter |
I_LLC_LOAD | Fix32_En16 | Load current of the LLC DC-DC converter |
PI Controller Block Parameters | Value |
---|---|
Voltage Loop Pgain | 0.075 |
Voltage Loop Igain | 22 * Ts |
Dcurrent Loop Pgain | 11 |
Dcurrent Loop Igain | 500 * Ts |
Qcurrent Loop Pgain | 12.5 |
Qcurrent Loop Pgain | 500 * Ts |
PI Controller Block Parameters | Value |
---|---|
Pgain | 1200 |
Igain | 105 |